Finding the Fourth Proportional to 316,636.44, 474,951.68 and 136,848.99
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Solution
The fourth proportional to 316,636.44, 474,951.68 and 136,848.99 is: 205,272.20
Step by Step Solution
- Step 1: Write the proportion equation
316,636.44 : 474,951.68 = 136,848.99 : x - Step 2: Convert to fraction form
316,636.44/474,951.68 = 136,848.99/x - Step 3: Cross multiply
316,636.44x = 474,951.68 × 136,848.99 - Step 4: Simplify right side
316,636.44x = 64,996,660,086.59 - Step 5: Solve for x
x = 64,996,660,086.59/316,636.44 - Step 6: Final answer
x = 205,272.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.